Hawthorn coach Alastair Clarkson has been diagnosed with Guillain-Barré syndrome – a condition that inflames the nerves in the spinal cord – after being admitted to hospital on Monday suffering from severe back pain.

The syndrome can prove fatal but is treatable if dealt with swiftly as was the case with Clarkson. The Hawks coach is expected to make a full recovery but the process can take up to two years for some patients. The condition is not contagious.

“Alastair was admitted to hospital last night with back pain, and he has subsequently been diagnosed with Guillain-Barré syndrome, which is an autoimmune condition,” said the Hawthorn chief executive, Stuart Fox.

“We’re fortunate that Alastair’s condition has been detected early, and we’re confident he is in the best possible hands under the care of very experienced specialists.

“Our primary concern is for Alastair’s health and a timeline for his return to coaching is not a consideration at this stage.”

Hawthorn's assistant coach, Brendon Bolton, will take charge of the team in Clarkson's absence. Clarkson is expected to stay in hospital for a week.

“Having worked together for six years, Alastair and Brendon share very similar coaching, teaching and management philosophies,” Fox said.

“The club has complete confidence that Brendon can step in temporarily for Alastair for as long as may be required."

In 2008 Richmond chief executive Steven Wright was hospitalised with the same condition. He returned to his former duties but left the club three years later for health reasons.